Adhesives for wall tiles; alumina; aluminium hydrate; antimony oxide; barium compounds; bauxite; bismuth nitrite for chemical purposes; borax; boric acid for industrial purposes; calcium salts; carbonates; chemicals, namely cellulose derivatives; cellulose esters for industrial purposes; cellulose ethers for industrial purposes; ceramic compositions for sintering in the form of granules and powders; ceramic glazings; ceramic materials in particulate form, for use as filtering media; compositi...